PING 10.138.21.65 (10.138.21.65) 56(84) bytes of data.
64 bytes from 10.138.21.65: icmp_req=1 ttl=57 time=8.84 ms
64 bytes from 10.138.21.65: icmp_req=2 ttl=57 time=14.4 ms
64 bytes from 10.138.21.65: icmp_req=3 ttl=57 time=10.4 ms
64 bytes from 10.138.21.65: icmp_req=4 ttl=57 time=10.8 ms
64 bytes from 10.138.21.65: icmp_req=5 ttl=57 time=7.71 ms

--- 10.138.21.65 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 3998ms
rtt min/avg/max/mdev = 7.716/10.472/14.423/2.283 ms